BUG: airOneLinify() infinite loop, synch w/ Teem for its 1.11.1 release

Change-Id: Ia1c26a21e1eeffd37c5fef62b6a35c20a7175d31
Merge topic 'NrrdIO-preTeem1.11'

c03ef66 BUG: airOneLinify() infinite loop, synch w/ Teem for its 1.11.1 release